A/T Control Module - Replacement Update

Number: 91-518-7A

Section: 7A

Date: OCT. 1992

Corporate Bulletin No.: 237104

ASE No: A2

Subject:
AUTOMATIC TRANSAXLE CONTROL MODULE (TCM) REPLACEMENT

Model and Year:
1989-91 GEO METRO

SERVICE UPDATE

This bulletin is an amendment to Section 7A of the 1989-91 Geo Metro Service Manuals (ST370-89, ST370-90 and ST370-91 respectively). Refer to this bulletin for information concerning Transaxle Control Module (TCM) replacement procedures on 1989-91 Geo Metro vehicles equipped with automatic transaxles.

On-Vehicle Service

Transaxle Control Module (TCM)

Remove or Disconnect

1. Negative (-) battery cable.
2. Two electrical connectors from TCM.





3. Two bolts and TCM from underneath right side of steering column (Figure 1).

Install or Connect

1. TCM underneath right side of steering column; secure with two bolts (Figure 1).

Tighten

* TCM bolts to 15 N-m (11 lb.ft.).

2. Two electrical connectors to TCM.
3. Negative (-) battery cable.

Tighten

* Negative (-) battery cable-to-negative (-) battery terminal retainer to 15 N-m (11 lb.ft.).